Buggy code:
@ RunWith ( Parameterized . class ) public class LanguageGuessingTest { private static String EXACT = "exact" ; private static String ONE_OF = "one<seq2seq4repair_space>of" ; @ Parameterized . Parameters public static List < Object [ ] > data ( ) { <START_BUG> return Arrays . asList ( new Object [ ] [ ] { new Object [ ] { "Renault" , "french" , LanguageGuessingTest . EXACT } , new Object [ ] { "Mickiewicz" , "polish" , LanguageGuessingTest . EXACT } , new Object [ ] { "Thompson" , "english" , LanguageGuessingTest . ONE_OF } , new Object [ ] { "Nuñez" , "spanish" , LanguageGuessingTest . EXACT } , new Object [ ] { "Carvalho" , "portuguese" , LanguageGuessingTest . EXACT } , new Object [ ] { "Čapek" , "czech" , LanguageGuessingTest . EXACT } , new Object [ ] { "Sjneijder" , "dutch" , LanguageGuessingTest . EXACT } , new Object [ ] { "Klausewitz" , "german" , LanguageGuessingTest . EXACT } , new Object [ ] { "Küçük" , "turkish" , LanguageGuessingTest . EXACT } , new Object [ ] { "Giacometti" , "italian" , LanguageGuessingTest . EXACT } , new Object [ ] { "Nagy" , "hungarian" , LanguageGuessingTest . EXACT } , new Object [ ] { "Ceauşescu" , "romanian" , LanguageGuessingTest . EXACT } , new Object [ ] { "Angelopoulos" , "greeklatin" , LanguageGuessingTest . EXACT } , new Object [ ] { "Αγγελόπουλος" , "greek" , LanguageGuessingTest . EXACT } , new Object [ ] { "Пушкин" , "cyrillic" , LanguageGuessingTest . EXACT } , new Object [ ] { "כהן" , "hebrew" , LanguageGuessingTest . EXACT } } ) ; <END_BUG> } private final String exactness ; private final Lang lang = Lang . instance ( NameType . GENERIC ) ; private final String language ; private final String name ; public LanguageGuessingTest ( String name , String language , String exactness ) { } @ Test public void testLanguageGuessing ( ) { } }

Fix:
return Arrays . asList ( new Object [ ] [ ] { new Object [ ] { "Renault" , "french" , LanguageGuessingTest . EXACT } , new Object [ ] { "Mickiewicz" , "polish" , LanguageGuessingTest . EXACT } , new Object [ ] { "Thompson" , "english" , LanguageGuessingTest . ONE_OF } , new Object [ ] { "Nuñez" , "spanish" , LanguageGuessingTest . EXACT } , new Object [ ] { "Carvalho" , "portuguese" , LanguageGuessingTest . EXACT } , new Object [ ] { "Čapek" , "czech" , LanguageGuessingTest . EXACT } , new Object [ ] { "Sjneijder" , "dutch" , LanguageGuessingTest . EXACT } , new Object [ ] { "Klausewitz" , "german" , LanguageGuessingTest . EXACT } , new Object [ ] { "Küçük" , "turkish" , LanguageGuessingTest . EXACT } , new Object [ ] { "Giacometti" , "italian" , LanguageGuessingTest . EXACT } , new Object [ ] { "Nagy" , "hungarian" , LanguageGuessingTest . EXACT } , new Object [ ] { "Ceauşescu" , "romanian" , LanguageGuessingTest . EXACT } , new Object [ ] { "Angelopoulos" , "greeklatin" , LanguageGuessingTest . EXACT } , new Object [ ] { "Αγγελόπουλος" , "greek" , LanguageGuessingTest . EXACT } , new Object [ ] { "Пушкин" , "cyrillic" , LanguageGuessingTest . EXACT } , new Object [ ] { "כהן" , "hebrew" , LanguageGuessingTest . EXACT } , new Object [ ] { "ácz" , "any" , LanguageGuessingTest . EXACT } , new Object [ ] { "átz" , "any" , LanguageGuessingTest . EXACT } } ) ;